Finding the Fourth Proportional to 170,317.08, 255,506.62 and 57,991.56
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Solution
The fourth proportional to 170,317.08, 255,506.62 and 57,991.56 is: 86,997.90
Step by Step Solution
- Step 1: Write the proportion equation
170,317.08 : 255,506.62 = 57,991.56 : x - Step 2: Convert to fraction form
170,317.08/255,506.62 = 57,991.56/x - Step 3: Cross multiply
170,317.08x = 255,506.62 × 57,991.56 - Step 4: Simplify right side
170,317.08x = 14,817,227,484.13 - Step 5: Solve for x
x = 14,817,227,484.13/170,317.08 - Step 6: Final answer
x = 86,997.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.